149384440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{219683}}^1$

素因数の和:219711

約数の個数: 32

約数和(自身を含む): 355888080

約数和(自身を除く): 206503640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 219683, 439366, 878732, 1098415, 1757464, 2196830, 3734611, 4393660, 7469222, 8787320, 14938444, 18673055, 29876888, 37346110, 74692220, 149384440]

約数ペア:

[(1, 149384440), (2, 74692220), (4, 37346110), (5, 29876888), (8, 18673055), (10, 14938444), (17, 8787320), (20, 7469222), (34, 4393660), (40, 3734611), (68, 2196830), (85, 1757464), (136, 1098415), (170, 878732), (340, 439366), (680, 219683)]